The article had the numbers, e.g.: > crashes increased by more than 20% in states that allowed RTOR. They also explained some of the mechanics: truck drivers

The article had the numbers, e.g.: > crashes increased by more than 20% in states that allowed RTOR. They also explained some of the mechanics: truck drivers don't see the bikers, SUV drivers don't see the pedestrians, other drivers press you to clear the intersection quicker than is safe etc.